Poison pill is known by the public after Sina set up poison pill as defense tactic against Shengda purchasing its stocks by tender offer, but in home there is no systematic study on poison pill.

自盛大要约收购新浪股票，新浪设置“毒丸”作为反收购措施后，“毒丸”开始为国内人们所熟悉，但是在我国较少有对“毒丸”的系统研究。

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Soon after, Office Depot created a poison pill defense that would fend off hostile takeovers.

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Netflix is currently 9.98% owned by infamous corporate troublemaker Carl Icahn and adopted a poison-pill defense to stop him from getting any more.

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He might even resort to ImClone's poison-pill defense, which makes a takeover impossible by flooding the market with new shares if a buyer acquires more than 19.9% of the stock without the board's approval.

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